Finding the Fourth Proportional to 2,778,327.84, 3,841,107.68 and 2,052,025.12
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Solution
The fourth proportional to 2,778,327.84, 3,841,107.68 and 2,052,025.12 is: 2,836,976.02
Step by Step Solution
- Step 1: Write the proportion equation
2,778,327.84 : 3,841,107.68 = 2,052,025.12 : x - Step 2: Convert to fraction form
2,778,327.84/3,841,107.68 = 2,052,025.12/x - Step 3: Cross multiply
2,778,327.84x = 3,841,107.68 × 2,052,025.12 - Step 4: Simplify right side
2,778,327.84x = 7,882,049,447,984.92 - Step 5: Solve for x
x = 7,882,049,447,984.92/2,778,327.84 - Step 6: Final answer
x = 2,836,976.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.